<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>任务管理器监测内存变化</title>
</head>
<body>
  <button id="btn">Add</button>

  <script>
    btn.onclick = function () {
      console.log('click')
      let arrList = new Array(10000 * 100)
    }
  </script>
</body>
</html>
